Garth Nix has announced that there are to be a further two titles in the Abhorsen series due out in 2010 and 2011 respectively. First will be Clariel: The Lost Abhorsen, set some three centuries before Sabriel it tells the story of a young women who eventually becomes known as Chlorr of the Mask. The second book will be a sequel to Abhorsen and will be set several years after then end of events in that book.
If you can’t wait that long for a new Garth Nix fix then breath easy, Nix has promised us the last two titles in the Keys To The Kingdom series - Superior Saturday and Lord Sunday to be released before the new Abhorsen books, and a new novel called Confusion of Princes to be released in 2009.